Home / 648,151.02-894,608.46-393,715.44

Finding the Fourth Proportional to 648,151.02, 894,608.46 and 393,715.44

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Solution

The fourth proportional to 648,151.02, 894,608.46 and 393,715.44 is: 543,424.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,151.02 : 894,608.46 = 393,715.44 : x
  2. Step 2: Convert to fraction form
    648,151.02/894,608.46 = 393,715.44/x
  3. Step 3: Cross multiply
    648,151.02x = 894,608.46 × 393,715.44
  4. Step 4: Simplify right side
    648,151.02x = 352,221,163,456.62
  5. Step 5: Solve for x
    x = 352,221,163,456.62/648,151.02
  6. Step 6: Final answer
    x = 543,424.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.